221200110012102 has 32 divisors (see below), whose sum is σ = 481784163567840. Its totient is φ = 67296835541760.

The previous prime is 221200110012071. The next prime is 221200110012143. The reversal of 221200110012102 is 201210011002122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15932009049 + ... + 15932022932.

It is an arithmetic number, because the mean of its divisors is an integer number (15055755111495).

Almost surely, 2^{221200110012102} is an apocalyptic number.

221200110012102 is an abundant number, since it is smaller than the sum of its proper divisors (260584053555738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221200110012102 is a wasteful number, since it uses less digits than its factorization.

221200110012102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31864032088.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 221200110012102 its reverse (201210011002122), we get a palindrome (422410121014224).

The spelling of 221200110012102 in words is "two hundred twenty-one trillion, two hundred billion, one hundred ten million, twelve thousand, one hundred two".